Hitachi, Ltd.

Other

Hitachi Automotive Engineering Co., Ltd.

Shiro Horii

Toshio Nagashima

Noriharu Sato

Takashi Omata

Hiroshi Ozawa

Ichiro Hondo

An easy-to-use remote keyless entry system is provided. To execute 2-way long distance communication at a low output and within a short time, transmission is effected while a data rate of a terminal board is changed. To reduce battery consumption in a system capable of setting an automatic output mode, the operation mode is shifted to the automatic output mode when an automatic output mode button is pushed or when a door lock release button of an operation button, etc, is kept pushed for a predetermined time. To execute a reserved operation at a reserved time, a storage circuit for storing reservation is provided to the terminal board.

Remote keyless entry system

An audio apparatus includes an electronic graphic equalizer, in which a plurality of frequency characteristics corresponding to various space configurations are stored preliminarily and a plurality of frequency characteristics corresponding to various types of music are also stored preliminarily. Suitable frequency characteristics are selected from these two groups of frequency characteristics according to a specific spatial configuration and a specific music to be reproduced and combined to obtain a frequency characteristics suitable for the configuration and the music.

Audio apparatus having electronic graphic equalizer

Growing community of inventors

Hitachinaka, Japan

Shiro Horii